Winding & transport
37 posts tagged Winding & transport. Search within these →

RZ67: Mirror Cocking Failures from Worn Wind Shaft Parts
First, let me say that I like the RZ67. This post is not bashing it. Just some technical info: The majority of issues that I see with the RZ relates to the…

Mamiya 6: Wind Gear and Wind Shaft Problems
An issue that comes up often with the Mamiya 6 is one regarding the winding mechanism. The wind shaft and wind gear are often the fault. While some parts…

RZ67: Rough Winding from Worn Coupler and Sticky Governor
While I am not taking in RZ67 models right now as I work on my backlog of repairs to bring things to a manageable level, I do have some of these in the…

Mamiya 7: Light Leaks from Loose Film Spool Fit
Something that comes up from time to time is light leaks on Mamiya 7 bodies. Since Mamiya did not use conventional foam light seals on the Mamiya 7, worn…

Mamiya 7: Wind Locked by Fallen Self Timer LED Cover
Some repairs require a lot of troubleshooting/disassembly to properly diagnose what the issue could be and the repair itself may be trivial. Other problems…

Mamiya 7/7II: Broken Self Timer Button Warning
Although I have done several posts on this issue, here is another one because I feel it is important for keeping your Mamiya 7/7II out of the repair shop…

Mamiya 6/7: Using a Torque Wrench on the Wind Lever Screw
The use of a torque wrench in camera repair is probably not that common and I actually don’t use one outside of a certain task: Attaching the wind lever…

RZ67: Winding System Failures and Choosing a Body by Date Code
The RZ67 is probably, after the Mamiya 6/7, the most popular model that I see here in the shop. It is also the most common model to suffer from some fatal…

RZ67: No Shutter Cocking from Broken Cocking Shaft Assembly
Failure of RZ67 models comes in one of two flavors: 1.) electrical or 2.) mechanical. First order of business is to determine which and easiest way is to…

RZ67: Stuck Lens and Locked Wind from a Broken Cocking Coupler
This Mamiya RZ67 arrived with a stuck lens on the body and the wind lever locked. With a mechanical like this, the issue is often a damaged lens cocking…

Mamiya 7II: Glued Wind Lever Cover Loosening the Screw
This Mamiya 7II arrived needing some minor service, mostly a rangefinder calibration. My client mentioned that the rubber cover over the wind lever was…

RB67 Pro S: Locked Wind Lever from Crumbled Seal and Spring
This Mamiya RB67 PRO S came into the shop locked up. The wind lever would not move. When removing one of the side covers, I found the situation as seen in…

645 PRO: Broken Mirror Stop and a Screw Jamming the Winder
A Mamiya 645 PRO came into the shop with the typical broken mirror stop. Also, the camera was jammed and would not wind or release. Seeing the broken stop…

Mamiya 7: Replacing a Broken Wind Lever Return Spring
This Mamiya 7 came into the shop with a wind lever that would not return. Not an uncommon issue and is usually caused by a broken wind lever return spring…

Mamiya 7II: Broken Self Timer Button and Loose Keeper
This Mamiya 7II has an issue that I see quite often: a broken self timer button. While this might not seem like a big problem if you don't use the self…

RZ67: Shutter Not Releasing Due to a Cracked Wind Lever
This Mamiya RZ67 came in with a complaint of shutter unable to release on mechanical or electronic setting. This is often caused by the camera not being…

Mamiya 6: Stuck Counter and Problems with Used Replacement Parts
This Mamiya 6 came into the shop with a stuck counter and wind lever and damaged top cover. Since the counter frame window was missing, it is obvious that…

Mamiya 7II: Wind Lever Jammed by Broken Self Timer Button
This Mamiya 7II came into the shop with an advance lever locked up in the position shown in the first photo. After much examination, I found a very small…

Mamiya 645E: Counter Repair and Model History
A Mamiya 645E on the bench for repair to the counter system. The 645E is a bit of an oddball: introduced in May 2000 and made concurrently with the 645 PRO…

Mamiya 6: Loose Wind Lever and Glue Residue
Servicing a Mamiya 6 and lenses. There were a few issues to deal with, most obvious was the wind lever that was loose. After removing the rubber covering…

RZ67: Wind Lever Locked After Electronic Release
Working on an RZ67 with a release issue. Actually, in this case, the issue was that the shutter would release electronically, but the wind lever would…

RZ67 Early 1982 Body: Mechanical Release Failure
Servicing a Mamiya RZ67 for a release issue. When these do not allow mechanical release, the problem is quite often an issue with the body not fully…

RZ67 vs RZ67II: Two-Piece Winding Shaft Differences
This is a brief discussion about what I consider an important difference between the RZ67 and RZ67II in terms of build. The RZ67, unlike the RB67, had a…

RB67 Pro Back: Counter Failure From a Loose Gear Plate Stud
This Mamiya RB67 Pro back came into the shop with complaint of the counter not working, so the film would just wind through without stopping. When I…